72281260 has 24 divisors (see below), whose sum is σ = 152451936. Its totient is φ = 28786560.

The previous prime is 72281233. The next prime is 72281267. The reversal of 72281260 is 6218227.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72281267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 12415.

It is an arithmetic number, because the mean of its divisors is an integer number (6352164).

Almost surely, 2^72281260 is an apocalyptic number.

It is an amenable number.

72281260 is an abundant number, since it is smaller than the sum of its proper divisors (80170676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72281260 is a wasteful number, since it uses less digits than its factorization.

72281260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753 (or 15751 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 72281260 is about 8501.8386246741. The cubic root of 72281260 is about 416.5577685191.

Adding to 72281260 its reverse (6218227), we get a palindrome (78499487).

The spelling of 72281260 in words is "seventy-two million, two hundred eighty-one thousand, two hundred sixty".